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For the Inventor, By the Inventor

Hadano, Japan

Mitsugu Shirai

USPTO Granted Patents = 18

Average Co-Inventor Count = 5.6

ph-index = 5

Forward Citations = 160(Granted Patents)


Company Filing History:

goldMedal18 out of 42,508 
 
Hitachi, Ltd.
 patents

Years Active: 1994-2004

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18 patents (USPTO):Explore Patents
1. 6795105 - Laser printing method and apparatus (2004-09-21),
2. 6705505 - Paste providing method, soldering method and apparatus and system therefor (2004-03-16),
3. 6551449 - Thin electronic circuit component and method and apparatus for producing the same (2003-04-22),
4. 6533162 - Paste providing method, soldering method and apparatus and system therefor (2003-03-18),
5. 6471115 - Process for manufacturing electronic circuit devices (2002-10-29),
6. 6433810 - Laser printing method and apparatus for printing characters (2002-08-13),
7. 6410881 - Process for manufacturing electronic circuits (2002-06-25),
8. 6269998 - Process for manufacturing electronic circuits (2001-08-07),
9. 6203655 - Thin electronic circuit component and method and apparatus for producing the same (2001-03-20),
10. 6193144 - Paste providing method, soldering method and apparatus and system therefor (2001-02-27),
11. 6161748 - Process for manufacturing electronic circuits (2000-12-19),
12. 6137687 - Printed circuit board, IC card, and manufacturing method thereof (2000-10-24),
13. 6133135 - Process for manufacturing electronic circuits (2000-10-17),
14. 5973406 - Electronic device bonding method and electronic circuit apparatus (1999-10-26),
15. 5940728 - Process for manufacturing electronic circuits (1999-08-17),

Title: Mitsugu Shirai: Innovator in Laser Printing and Soldering Technologies

Introduction

Mitsugu Shirai is a prominent inventor based in Hadano, Japan. He has made significant contributions to the fields of laser printing and soldering technologies. With a total of 18 patents to his name, Shirai has established himself as a key figure in innovation.

Latest Patents

Shirai's latest patents include a laser printing method and apparatus. This innovative laser printing apparatus utilizes a laser oscillator, galvano mirrors for scanning, and an fθ lens for focusing the laser light on members to be printed. The laser oscillator is a YLF laser oscillator that emits laser light in the ultraviolet range. This technology allows for precise printing on MCCs, enhancing the quality and efficiency of the printing process.

Another notable patent is the paste providing method, soldering method, and apparatus and system therefor. This soldering system streamlines the process by reducing the number of steps required for paste supply and soldering onto printed circuit boards. The system includes a printing mask matched with through holes and a paste receiving plate, which facilitates the efficient application of solder paste. This innovation significantly improves the soldering process, making it more effective and less time-consuming.

Career Highlights

Mitsugu Shirai is currently employed at Hitachi, Ltd., where he continues to develop cutting-edge technologies. His work has had a profound impact on the industry, particularly in enhancing the capabilities of laser printing and soldering systems.

Collaborations

Shirai has collaborated with notable coworkers, including Shinichi Kazui and Hideaki Sasaki. Their combined expertise has contributed to the successful development of innovative technologies in their respective fields.

Conclusion

Mitsugu Shirai's contributions to laser printing and soldering technologies exemplify his commitment to innovation. His patents reflect a deep understanding of engineering principles and a drive to improve existing processes. Through his work at Hitachi, Ltd., Shirai continues to influence the future of technology in significant ways.

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